Spinodal Decomposition in InSb/AlAs Heterostructures
- Authors: Abramkin D.S.1,2, Bakarov A.K.1, Gutakovskii A.K.1,2, Shamirzaev T.S.1,2,3
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Affiliations:
- Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences
- Novosibirsk State University
- Ural Federal University
- Issue: Vol 52, No 11 (2018)
- Pages: 1392-1397
- Section: Xxii International Symposium “Nanophysics and Nanoelectronics”, Nizhny Novgorod, March 12–15, 2018
- URL: https://journals.rcsi.science/1063-7826/article/view/204265
- DOI: https://doi.org/10.1134/S1063782618110027
- ID: 204265
Cite item
Abstract
The atomic structure and energy spectrum of heterostructures formed in a system of InAs/AlAs binary compounds are studied. The InxAl1 –xSbyAs1 –y alloy, from which quantum wells are formed in InSb/AlAs structures, decomposes into two phases with different compositions. The characteristic dimensions of regions containing separate phases of the alloy in the structure plane are 5–7 nm. Spinodal decomposition of the alloy brings about the formation of coexisting indirect-gap regions with type-I and type-II energy spectra in quantum wells of the heterostructures.
About the authors
D. S. Abramkin
Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Author for correspondence.
Email: demid@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
A. K. Bakarov
Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences
Email: demid@isp.nsc.ru
Russian Federation, Novosibirsk, 630090
A. K. Gutakovskii
Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University
Email: demid@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090
T. S. Shamirzaev
Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University; Ural Federal University
Email: demid@isp.nsc.ru
Russian Federation, Novosibirsk, 630090; Novosibirsk, 630090; Yekaterinburg, 620002